Home / 7,479.35-10,320.59-4,292.48

Finding the Fourth Proportional to 7,479.35, 10,320.59 and 4,292.48

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Solution

The fourth proportional to 7,479.35, 10,320.59 and 4,292.48 is: 5,923.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.35 : 10,320.59 = 4,292.48 : x
  2. Step 2: Convert to fraction form
    7,479.35/10,320.59 = 4,292.48/x
  3. Step 3: Cross multiply
    7,479.35x = 10,320.59 × 4,292.48
  4. Step 4: Simplify right side
    7,479.35x = 44,300,885.29
  5. Step 5: Solve for x
    x = 44,300,885.29/7,479.35
  6. Step 6: Final answer
    x = 5,923.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.